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Results tagged with thermodynamics
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user 105620
Covers the study of (primarily homogeneous) macroscopic systems from a heat/energy/entropy point of view. Consider also using the tag: [statistical-mechanics].
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Thermal Quantum Field Theory methods
I have been reading about the various techniques that have been employed to study quantum field theories near equilibrium. It seems that the two main ways are the Schwinger-Keldysh (SK) and the Thermo …
- 1,113
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Fermionic thermal density matrix
Usually to describe the density matrix of a system at finite temperature, we use the Euclidean path integral
$$\rho[\psi_1,\psi_2] = \int _{\psi_1}^{\psi_2}\mathcal D \psi e^{-S_{E}[\psi]}, $$
where $ …
- 1,113